Daylight Saving Time is a left-over of the early 20th century.
It has no purpose in this age.
What is DST?
Clocks shift & History
Daylight Saving Time is practice to extend daylight during summer months. Clocks are adjusted forward one hour near the start of spring and back again in autumn. The idea was introduced by George Vernon Hudson and adopted by many countries during 20th century.
The Goal of DST was to reduce need to use evening incandescent lighting thus save electric energy.
Adopting DST increased overall residential electricity usage from 0.6% to 4% in various parts of the World.
DST increases motor fuel consumption significantly. It increases CO2 production and its level in atmosphere.
DST is responsible for the increase in energy prices. It costs $434 Million on bills paid by US citizens.
DST causes heart attacks which are increased by 5% in first week after the spring time transition.
Disrupted sleep causes depression and suicide rates rise in the weeks following the DST time shift.
Transitions out of and into DST increase night-time restlessness and decreased the quality of sleep.